Donate Join

The International Dark-Sky Association works to protect the night skies for present and future generations.

Recent News

Small Changes, Big Impact

IDA approved Dark Sky Friendly fixtures light only the ground where light is needed. It’s a simple idea that saves energy and reduces skyglow to preserve our view of the night sky. A consumer-based lighting […] Read More

Ramon Crater Named First International Dark Sky Place In The Mideast

Ramon Crater Named First International Dark Sky Place In The Mideast Image

IDA today recognizes a major step ahead in the International Dark Sky Places Program with the first designation in the Middle East. Ramon Crater Nature Reserve in the Negev desert of southern Israel, under the management […] Read More

LEDs In Your Community Webinar

LEDs In Your Community Webinar Image

Grassroots supporters from 15 countries joined IDA technical director, Pete Strasser, for a free webinar about LED lights, technology, and how to promote responsible lighting in local communities on August 31. Click here to access […] Read More

Fifth International Dark Sky Park In Arizona Designated

Fifth International Dark Sky Park In Arizona Designated Image

IDA has designated Kartchner Caverns State Park as an International Dark Sky Park, the second in the Arizona State Parks system to receive IDA recognition and the fifth overall in the Grand Canyon State. Located […] Read More


Join Our Email List

Get important news, calls to action and other updates delivered directly to your inbox.

Become a Member

For as little as $35 a year you can join us on our mission to protect the natural night sky.

Make a Donation

Your contributions help us continue our programs and increase our public outreach.

Take Action

Learn what you can do at home and in your community to reduce light pollution.

Our Programs

Light Pollution Affects Us All!






How You Can Help

Support IDA

More than half of our annual operating budget comes from our supporters … folks like you! Our generous members and donors are the lifeblood of our organization and are passionate about protecting the night skies.

Learn More

Learn What You Can Do

Our members and supporters are on the ground making a difference every day by spreading the word about light pollution to their neighbors, communities and public officials. You can make a difference, too! Become a leader in night sky protection.

Learn More

Stay Informed

Join our email list and get current news, calls to action, press releases and other important information delivered directly to your inbox. You can unsubcribe anytime.

Follow Us